The NHS data grab: why we should be concerned about plans for GPs' records | Letters
<strong>Letters: </strong><strong>Alan Rector</strong> believes NHS data is a major resource for medical research, but the scheme needs safeguards. Plus letters from<strong> Irene Stratton</strong>, <strong>Alison Macfarlane</strong>, <strong>Robert Oulton</strong> and <strong>Celia Berridge</strong>